If the Install button is grayed out, your Office 365 subscription might have expired. Select your subscription from the list in Renew Office 365 for business to see the steps for how to renew it. If you have a Microsoft 365 plan, to keep it active, you have to sign in at least once every 30 days. If Office is taking a long time to install you may be on a slow connection. If Office still won't install, check that your computer meets the system requirements to install Office.

I'm a student. How do I install Office?

For example, you can't install Office on computers running Windows XP or Windows Vista. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. When you're done, you might need to restart your computer.

You recently switched Office 365 plans and now get messages you can't use Office

Not all Office 365 subscription plans come with the fully installed Office applications. See the bottom of the Office for business column for a list of those plans that don't include an installed version of Office. See the bottom of the Office for business column for a list of plans that don't include the Office desktop client. When you install Office it's automatically linked to your Office 365 plan. Use this easy fix tool to uninstall Office and then follow the steps to reinstall Office. If you or your users find Office is taking a very long time to install, try installing using an offline installation.

Account or sign in issues

• For other solutions, see Install button doesn't install Office.
• If you're an Office 365 user, do the following to deactivate an installation.
• If it didn't, tell us more about your issue, including any error messages your received and where you were in the install process when you received it.
• If the Install button is grayed out, your Office 365 subscription might have expired.
• When you install Office 2016, all the applications that came with your particular Office product are installed at the same time.
• For information about installing updates, see Install Office updates.
• You may get an error if you try to install the 64-bit version of Office and you currently have the 32-bit version installed (or vice versa).
• To remove licenses from users, see Remove licenses from users in Office 365 for business.
• See Deactivate Office 365 if you see a "limit reached" error.

To install or check for updates on your Mac, see Check for Office for Mac updates automatically. If you're an Office 365 user, do the following to deactivate an installation. If Office is taking a long time to install you may be on a slow connection or you another install or update may be happening in the background. See Office is taking long to install or Office Tech fixes at FixTechGuide hangs at 90% for possible solutions.

I get a "Stop, you should wait to install Office 2016" error

For more general (not admin specific) help in these areas, see the Additional help section on the Office for Business tab of this topic. Users need licenses to install Office and to use Outlook, SharePoint Online, Lync Online, and other services. As the Office 365 for business admin, you're responsible for Managing user software in Office 365. You assign licenses to new users when creating new accounts, or add licenses to existing users, see Assign licenses to users in Office 365 for business. To remove licenses from users, see Remove licenses from users in Office 365 for business.

Upgrade or switch Office 365 plans

If you discover you can't make edits to certain documents, see What you can do in the Office apps on an Android, iOS, or Windows mobile device with an Office 365 subscription. You may get an error if you try to install the 64-bit version of Office and you currently have the 32-bit version installed (or vice versa). You can't install the desktop PC or Mac versions of Office on your Chromebook, but depending on your Chromebook you may be able to install the Office mobile apps. Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC. If the steps above don’t help, the next step is to uninstall and reinstall Office. It’s less destructive because settings, templates, and other application data will not be deleted.

I'm an Office 365 admin and don't have an option to install Office, Project, or Visio

After the list of installed apps populates (it can take some time, depending on how much you have installed), scroll down and look for Microsoft 365 (Office). Please let us know if you found any of these solutions helpful by clicking Yes or No next to Was this information helpful, below, and leaving us a comment. If you are still having problems, tell us more about your issue, including any error messages your received and where you were in the install process when you received them.